Epidemiology about 10% of the outpatients Common at the extremes of reproductive life. but can occur at reproductive age 50%o at near menopause 20% in adolescents 30% at reproductive age• About 10% of the outpatients • Common at the extremes of reproductive life, but can occur at reproductive age: 50% at near menopause 20% in adolescents 30% at reproductive age Epidemiology